一切經音義 35.137

35.137

沙潬（上沙字或從石作砂下坦丹反考聲云水中沙出曰潬形聲字）。

Sandbank (沙潬: the upper character shā is also written under 石 as 砂; the lower has the fanqie [tǎn dān] (tan-dan / tān); the Kaosheng says sand emerging in water is called tān; a phono-semantic character).